135240444344 has 16 divisors (see below), whose sum is σ = 253582689120. Its totient is φ = 67618393920.

The previous prime is 135240444323. The next prime is 135240444379. The reversal of 135240444344 is 443444042531.

It is a junction number, because it is equal to n+sod(n) for n = 135240444298 and 135240444307.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 116492 + ... + 532964.

It is an arithmetic number, because the mean of its divisors is an integer number (15848918070).

Almost surely, 2^135240444344 is an apocalyptic number.

It is an amenable number.

135240444344 is a deficient number, since it is larger than the sum of its proper divisors (118342244776).

135240444344 is a wasteful number, since it uses less digits than its factorization.

135240444344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 457070 (or 457066 counting only the distinct ones).

The product of its (nonzero) digits is 368640, while the sum is 38.

Adding to 135240444344 its reverse (443444042531), we get a palindrome (578684486875).

The spelling of 135240444344 in words is "one hundred thirty-five billion, two hundred forty million, four hundred forty-four thousand, three hundred forty-four".